do not drink alcohol in excess with cialis. side effects may include headache, upset stomach, delayed backache or muscle ache. to avoid long-term injury, seek immediate medical help for an erection lasting more than four hours. if you have any sudden decrease or loss in hearing or vision, or if you have any allergic reactions such as rash, hives, swelling of the lips, tongue or throat, or difficulty breathing or swallowing, stop taking cialis and get medical help right away. ask your doctor about cialis for daily use and a 30-tablet free trial. >>> besides the fbi-led 8:00 p.m. news conference that we just learned about, we also have additional news on the ricin-laced letter sent to president obama and some senators. the man charged may appear in court tonight. sue, you do you know more on this story? >> pete williams is reporting that they have made this arrest of suspect.story? >> pete williams is reporting that they have made this arrest of suspect. they may have him in court later. we believe he's from tupelo, mississippi.